gtk2_ardour/editor.h

   1 /*
   2     Copyright (C) 2000-2003 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18     $Id$
  19 */
  20
  21 #ifndef __ardour_editor_h__
  22 #define __ardour_editor_h__
  23
  24 #include <list>
  25 #include <map>
  26 #include <set>
  27 #include <string>
  28 #include <sys/time.h>
  29
  30 #include <cmath>
  31
  32 #include <sndfile.h>
  33
  34 #include <gtkmm/layout.h>
  35 #include <gtkmm/comboboxtext.h>
  36
  37 #include <libgnomecanvas/libgnomecanvas.h>
  38 #include <libgnomecanvas/gnome-canvas-util.h>
  39
  40 #include <libgnomecanvasmm/canvas.h>
  41 #include <libgnomecanvasmm/polygon.h>
  42 #include <libgnomecanvasmm/text.h>
  43 #include <libgnomecanvasmm/rect.h>
  44 #include <libgnomecanvasmm/line.h>
  45
  46 #include <gtkmm2ext/selector.h>
  47 #include <gtkmm2ext/click_box.h>
  48
  49 #include <ardour/stateful.h>
  50 #include <ardour/session.h>
  51 #include <ardour/tempo.h>
  52 #include <ardour/location.h>
  53 #include <ardour/region.h>
  54
  55 #include "keyboard_target.h"
  56 #include "audio_clock.h"
  57 #include "gtk-custom-ruler.h"
  58 #include "ardour_dialog.h"
  59 #include "public_editor.h"
  60 #include "editing.h"
  61 #include "enums.h"
  62 #include "region_selection.h"
  63
  64 namespace Gtkmm2ext {
  65         class TearOff;
  66 }
  67
  68 namespace LinuxAudioSystems {
  69         class AudioEngine;
  70 }
  71
  72 namespace ARDOUR {
  73         class DiskStream;
  74         class RouteGroup;
  75         class Source;
  76         class Playlist;
  77         class Region;
  78         class Location;
  79         class TempoSection;
  80         class NamedSelection;
  81         class Session;
  82         class AudioFilter;
  83         class Crossfade;
  84 }
  85
  86 namespace LADSPA {
  87         class Plugin;
  88 }
  89
  90 class TimeAxisView;
  91 class AudioTimeAxisView;
  92 class AutomationTimeAxisView;
  93 class AudioRegionView;
  94 class CrossfadeView;
  95 class PluginSelector;
  96 class PlaylistSelector;
  97 class Marker;
  98 class GroupedButtons;
  99 class AutomationLine;
 100 class UIExportSpecification;
 101 class ExportDialog;
 102 class Selection;
 103 class TimeSelection;
 104 class TrackSelection;
 105 class AutomationSelection;
 106 class MixerStrip;
 107 class StreamView;
 108 class ControlPoint;
 109
 110 /* <CMT Additions> */
 111 class ImageFrameView;
 112 class ImageFrameTimeAxisView;
 113 class ImageFrameTimeAxis;
 114 class MarkerTimeAxis ;
 115 class MarkerView ;
 116 class ImageFrameSocketHandler ;
 117 class TimeAxisViewItem ;
 118 /* </CMT Additions> */
 119
 120
 121 class Editor : public PublicEditor
 122 {
 123   public:
 124         Editor (ARDOUR::AudioEngine&);
 125         ~Editor ();
 126
 127         void             connect_to_session (ARDOUR::Session *);
 128         ARDOUR::Session* current_session() const { return session; }
 129
 130         jack_nframes_t leftmost_position() const { return leftmost_frame; }
 131         jack_nframes_t current_page_frames() const {
 132                 return (jack_nframes_t) floor (canvas_width * frames_per_unit);
 133         }
 134
 135         void set_snap_to (Editing::SnapType);
 136         void set_snap_mode (Editing::SnapMode);
 137         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
 138
 139         void undo (uint32_t n = 1);
 140         void redo (uint32_t n = 1);
 141
 142         XMLNode& get_state ();
 143         int set_state (const XMLNode& );
 144
 145         void set_mouse_mode (Editing::MouseMode, bool force=true);
 146         void step_mouse_mode (bool next);
 147         Editing::MouseMode current_mouse_mode () { return mouse_mode; }
 148
 149         void add_imageframe_time_axis(std::string track_name, void*) ;
 150         void add_imageframe_marker_time_axis(std::string track_name, TimeAxisView* marked_track, void*) ;
 151         void connect_to_image_compositor() ;
 152         void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
 153         TimeAxisView* get_named_time_axis(std::string name) ;
 154         /* </CMT Additions> */
 155
 156         void consider_auditioning (ARDOUR::Region&);
 157         void hide_a_region (ARDOUR::Region&);
 158         void remove_a_region (ARDOUR::Region&);
 159
 160         /* option editor-access */
 161
 162         void set_show_waveforms (bool yn);
 163         bool show_waveforms() const { return _show_waveforms; }
 164
 165         void set_show_waveforms_recording (bool yn);
 166         bool show_waveforms_recording() const { return _show_waveforms_recording; }
 167
 168         /* things that need to be public to be used in the main menubar */
 169
 170         void new_region_from_selection ();
 171         void separate_region_from_selection ();
 172         void toggle_playback (bool with_abort);
 173
 174         /* undo related */
 175
 176         void set_edit_menu (Gtk::Menu&);
 177
 178         jack_nframes_t unit_to_frame (double unit) {
 179                 return (jack_nframes_t) rint (unit * frames_per_unit);
 180         }
 181
 182         double frame_to_unit (jack_nframes_t frame) {
 183                 return rint ((double) frame / (double) frames_per_unit);
 184         }
 185
 186         double frame_to_unit (double frame) {
 187                 return rint (frame / frames_per_unit);
 188         }
 189
 190         /* NOTE: these functions assume that the "pixel" coordinate is
 191            the result of using the world->canvas affine transform on a
 192            world coordinate. These coordinates already take into
 193            account any scrolling carried out by adjusting the
 194            xscroll_adjustment.
 195         */
 196
 197         jack_nframes_t pixel_to_frame (double pixel) {
 198
 199                 /* pixel can be less than zero when motion events
 200                    are processed. since we've already run the world->canvas
 201                    affine, that means that the location *really* is "off
 202                    to the right" and thus really is "before the start".
 203                 */
 204
 205                 if (pixel >= 0) {
 206                         return (jack_nframes_t) rint (pixel * frames_per_unit * GNOME_CANVAS(track_canvas.gobj())->pixels_per_unit);
 207                 } else {
 208                         return 0;
 209                 }
 210         }
 211
 212         gulong frame_to_pixel (jack_nframes_t frame) {
 213                 return (gulong) rint ((frame / (frames_per_unit *  GNOME_CANVAS(track_canvas.gobj())->pixels_per_unit)));
 214         }
 215
 216         /* selection */
 217
 218         Selection& get_selection() const { return *selection; }
 219         Selection& get_cut_buffer() const { return *cut_buffer; }
 220
 221         void play_selection ();
 222         void select_all_in_track (bool add);
 223         void select_all (bool add);
 224         void invert_selection_in_track ();
 225         void invert_selection ();
 226
 227         /* tempo */
 228
 229         void set_show_measures (bool yn);
 230         bool show_measures () const { return _show_measures; }
 231
 232         /* export */
 233
 234         /* these initiate export ... */
 235
 236         void export_session();
 237         void export_selection();
 238
 239         /* this is what actually does it */
 240
 241         void export_audiofile (ARDOUR::AudioExportSpecification&);
 242
 243         /* */
 244
 245         void add_toplevel_controls (Gtk::Container&);
 246
 247         void      set_zoom_focus (Editing::ZoomFocus);
 248         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
 249         gdouble   get_current_zoom () { return frames_per_unit; }
 250
 251         void temporal_zoom_step (bool coarser);
 252
 253         /* stuff that AudioTimeAxisView and related classes use */
 254
 255         PlaylistSelector& playlist_selector() const;
 256         void route_name_changed (TimeAxisView *);
 257         gdouble        frames_per_unit;
 258         jack_nframes_t leftmost_frame;
 259         void clear_playlist (ARDOUR::Playlist&);
 260
 261         TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0);
 262
 263         Width editor_mixer_strip_width;
 264         void show_editor_mixer (bool yn);
 265         void set_selected_mixer_strip (TimeAxisView&);
 266         void unselect_strip_in_display (TimeAxisView& tv);
 267         void select_strip_in_display (TimeAxisView& tv);
 268
 269         /* nudge is initiated by transport controls owned by ARDOUR_UI */
 270
 271         void nudge_forward (bool next);
 272         void nudge_backward (bool next);
 273
 274         /* nudge initiated from context menu */
 275
 276         void nudge_forward_capture_offset ();
 277         void nudge_backward_capture_offset ();
 278
 279         /* playhead/screen stuff */
 280
 281         void set_follow_playhead (bool yn);
 282         void toggle_follow_playhead ();
 283         bool follow_playhead() const { return _follow_playhead; }
 284
 285         /* xfades */
 286
 287         void toggle_xfades_active();
 288         void toggle_xfade_visibility ();
 289         void set_xfade_visibility (bool yn);
 290         bool xfade_visibility() const { return _xfade_visibility; }
 291
 292         /* redirect shared ops menu. caller must free returned menu */
 293
 294         Gtk::Menu* redirect_menu ();
 295
 296         /* floating windows/transient */
 297
 298         void ensure_float (Gtk::Window&);
 299
 300         void show_window ();
 301
 302         void scroll_tracks_down_line ();
 303         void scroll_tracks_up_line ();
 304
 305         bool new_regionviews_display_gain () { return _new_regionviews_show_envelope; }
 306         void prepare_for_cleanup ();
 307
 308         void reposition_x_origin (jack_nframes_t sample);
 309
 310   protected:
 311         void map_transport_state ();
 312         void map_position_change (jack_nframes_t);
 313
 314         void on_realize();
 315         void on_map ();
 316
 317   private:
 318
 319         ARDOUR::Session     *session;
 320         ARDOUR::AudioEngine& engine;
 321         bool                 constructed;
 322
 323         PlaylistSelector* _playlist_selector;
 324
 325         enum ItemType {
 326                 RegionItem,
 327                 StreamItem,
 328                 PlayheadCursorItem,
 329                 EditCursorItem,
 330                 MarkerItem,
 331                 MarkerBarItem,
 332                 RangeMarkerBarItem,
 333                 TransportMarkerBarItem,
 334                 SelectionItem,
 335                 GainControlPointItem,
 336                 GainLineItem,
 337                 GainAutomationControlPointItem,
 338                 GainAutomationLineItem,
 339                 PanAutomationControlPointItem,
 340                 PanAutomationLineItem,
 341                 RedirectAutomationControlPointItem,
 342                 RedirectAutomationLineItem,
 343                 MeterMarkerItem,
 344                 TempoMarkerItem,
 345                 MeterBarItem,
 346                 TempoBarItem,
 347                 AudioRegionViewNameHighlight,
 348                 AudioRegionViewName,
 349                 StartSelectionTrimItem,
 350                 EndSelectionTrimItem,
 351                 AutomationTrackItem,
 352                 FadeInItem,
 353                 FadeInHandleItem,
 354                 FadeOutItem,
 355                 FadeOutHandleItem,
 356
 357                 /* <CMT Additions> */
 358                 MarkerViewItem,
 359                 MarkerTimeAxisItem,
 360                 MarkerViewHandleStartItem,
 361                 MarkerViewHandleEndItem,
 362                 ImageFrameItem,
 363                 ImageFrameTimeAxisItem,
 364                 ImageFrameHandleStartItem,
 365                 ImageFrameHandleEndItem,
 366                 /* </CMT Additions> */
 367
 368                 CrossfadeViewItem,
 369
 370                 /* don't remove this */
 371
 372                 NoItem
 373         };
 374
 375         void          set_frames_per_unit (double);
 376         void          frames_per_unit_modified ();
 377
 378         Editing::MouseMode mouse_mode;
 379         void      mouse_insert (GdkEventButton *);
 380
 381         void pane_allocation_handler (GtkAllocation*, Gtk::Paned*);
 382
 383         Gtk::HPaned   canvas_region_list_pane;
 384         Gtk::HPaned   track_list_canvas_pane;
 385
 386         Gtk::EventBox meter_base;
 387         Gtk::HBox     meter_box;
 388         Gtk::EventBox marker_base;
 389         Gtk::HBox     marker_box;
 390         Gtk::VBox     scrollers_rulers_markers_box;
 391
 392         void location_changed (ARDOUR::Location *);
 393         void location_flags_changed (ARDOUR::Location *, void *);
 394         void refresh_location_display ();
 395         void refresh_location_display_s (ARDOUR::Change);
 396         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
 397         void add_new_location (ARDOUR::Location *);
 398         void location_gone (ARDOUR::Location *);
 399         void remove_marker (Gnome::Canvas::Polygon&, GdkEvent*);
 400         gint really_remove_marker (ARDOUR::Location* loc);
 401
 402         uint32_t location_marker_color;
 403         uint32_t location_range_color;
 404         uint32_t location_loop_color;
 405         uint32_t location_punch_color;
 406         uint32_t location_cd_marker_color;
 407
 408         struct LocationMarkers {
 409             Marker* start;
 410             Marker* end;
 411
 412             ~LocationMarkers ();
 413
 414             void hide();
 415             void show ();
 416             void set_name (const string&);
 417             void set_position (jack_nframes_t start, jack_nframes_t end = 0);
 418             void set_color_rgba (uint32_t);
 419         };
 420
 421         LocationMarkers  *find_location_markers (ARDOUR::Location *);
 422         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start);
 423
 424         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
 425         LocationMarkerMap location_markers;
 426
 427         void hide_marker (GnomeCanvasItem*, GdkEvent*);
 428         void clear_marker_display ();
 429         void mouse_add_new_marker (jack_nframes_t where);
 430
 431         TimeAxisView*      clicked_trackview;
 432         AudioTimeAxisView* clicked_audio_trackview;
 433         AudioRegionView*   clicked_regionview;
 434         AudioRegionView*   latest_regionview;
 435         uint32_t           clicked_selection;
 436         CrossfadeView*     clicked_crossfadeview;
 437         ControlPoint*      clicked_control_point;
 438
 439         void catch_vanishing_audio_regionview (AudioRegionView *);
 440         void set_selected_control_point_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
 441         void set_selected_track_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
 442         void set_selected_regionview_from_click (bool add = false, bool no_track_remove=false);
 443         void set_selected_regionview_from_region_list (ARDOUR::Region& region, bool add = false);
 444         gint set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, ARDOUR::Region*);
 445         void collect_new_region_view (AudioRegionView *);
 446
 447         Gtk::Menu track_context_menu;
 448         Gtk::Menu track_region_context_menu;
 449         Gtk::Menu track_selection_context_menu;
 450         Gtk::Menu track_crossfade_context_menu;
 451
 452         Gtk::MenuItem* region_edit_menu_split_item;
 453         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
 454         Gtk::Menu * track_region_edit_playlist_menu;
 455         Gtk::Menu * track_edit_playlist_submenu;
 456         Gtk::Menu * track_selection_edit_playlist_submenu;
 457
 458         void popup_track_context_menu (int, int, ItemType, bool, jack_nframes_t);
 459         Gtk::Menu* build_track_context_menu (jack_nframes_t);
 460         Gtk::Menu* build_track_bus_context_menu (jack_nframes_t);
 461         Gtk::Menu* build_track_region_context_menu (jack_nframes_t frame);
 462         Gtk::Menu* build_track_crossfade_context_menu (jack_nframes_t);
 463         Gtk::Menu* build_track_selection_context_menu (jack_nframes_t);
 464         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 465         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 466         void add_region_context_items (StreamView*, ARDOUR::Region*, Gtk::Menu_Helpers::MenuList&);
 467         void add_crossfade_context_items (StreamView*, ARDOUR::Crossfade*, Gtk::Menu_Helpers::MenuList&, bool many);
 468         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 469
 470         void handle_new_route (ARDOUR::Route&);
 471         void handle_new_route_p (ARDOUR::Route*);
 472         void remove_route (TimeAxisView *);
 473         bool route_removal;
 474
 475         Gtk::HBox           global_hpacker;
 476         Gtk::VBox           global_vpacker;
 477         Gtk::VBox           vpacker;
 478
 479         GdkCursor          *current_canvas_cursor;
 480
 481         Gnome::Canvas::CanvasAA track_canvas;
 482         Gnome::Canvas::CanvasAA time_canvas;
 483
 484         Gnome::Canvas::Text* first_action_message;
 485         Gnome::Canvas::Text* verbose_canvas_cursor;
 486         bool                 verbose_cursor_visible;
 487
 488         void session_control_changed (ARDOUR::Session::ControlType);
 489         void queue_session_control_changed (ARDOUR::Session::ControlType);
 490
 491
 492         gint track_canvas_motion (GdkEvent*);
 493         void set_verbose_canvas_cursor (string, double x, double y);
 494         void set_verbose_canvas_cursor_text (string);
 495         void show_verbose_canvas_cursor();
 496         void hide_verbose_canvas_cursor();
 497
 498         bool verbose_cursor_on; // so far unused
 499
 500         void flush_track_canvas ();
 501         void flush_time_canvas ();
 502
 503         Gtk::EventBox      time_canvas_event_box;
 504         Gtk::EventBox      track_canvas_event_box;
 505         Gtk::EventBox      time_button_event_box;
 506
 507         Gnome::Canvas::Group      *minsec_group;
 508         Gnome::Canvas::Group      *bbt_group;
 509         Gnome::Canvas::Group      *smpte_group;
 510         Gnome::Canvas::Group      *frame_group;
 511         Gnome::Canvas::Group      *tempo_group;
 512         Gnome::Canvas::Group      *meter_group;
 513         Gnome::Canvas::Group      *marker_group;
 514         Gnome::Canvas::Group      *range_marker_group;
 515         Gnome::Canvas::Group      *transport_marker_group;
 516
 517         enum {
 518                 ruler_metric_smpte = 0,
 519                 ruler_metric_bbt = 1,
 520                 ruler_metric_frames = 2,
 521                 ruler_metric_minsec = 3,
 522
 523                 ruler_time_tempo = 4,
 524                 ruler_time_meter = 5,
 525                 ruler_time_marker = 6,
 526                 ruler_time_range_marker = 7,
 527                 ruler_time_transport_marker = 8,
 528         };
 529
 530         static GtkCustomMetric ruler_metrics[4];
 531         bool                   ruler_shown[9];
 532         bool                   no_ruler_shown_update;
 533
 534         gint ruler_button_press (GdkEventButton*);
 535         gint ruler_button_release (GdkEventButton*);
 536         gint ruler_mouse_motion (GdkEventMotion*);
 537
 538         gint ruler_pressed_button;
 539         Gtk::Widget * ruler_grabbed_widget;
 540
 541         void initialize_rulers ();
 542         void update_just_smpte ();
 543         void update_fixed_rulers ();
 544         void update_tempo_based_rulers ();
 545         void popup_ruler_menu (jack_nframes_t where = 0, ItemType type = RegionItem);
 546         void update_ruler_visibility ();
 547         void ruler_toggled (int);
 548         gint ruler_label_button_release (GdkEventButton*);
 549         void store_ruler_visibility ();
 550         void restore_ruler_visibility ();
 551
 552         static gint _metric_get_smpte (GtkCustomRulerMark **, gulong, gulong, gint);
 553         static gint _metric_get_bbt (GtkCustomRulerMark **, gulong, gulong, gint);
 554         static gint _metric_get_frames (GtkCustomRulerMark **, gulong, gulong, gint);
 555         static gint _metric_get_minsec (GtkCustomRulerMark **, gulong, gulong, gint);
 556
 557         gint metric_get_smpte (GtkCustomRulerMark **, gulong, gulong, gint);
 558         gint metric_get_bbt (GtkCustomRulerMark **, gulong, gulong, gint);
 559         gint metric_get_frames (GtkCustomRulerMark **, gulong, gulong, gint);
 560         gint metric_get_minsec (GtkCustomRulerMark **, gulong, gulong, gint);
 561
 562         GtkWidget          *_smpte_ruler;
 563         GtkWidget          *_bbt_ruler;
 564         GtkWidget          *_frames_ruler;
 565         GtkWidget          *_minsec_ruler;
 566         Gtk::Widget        *smpte_ruler;
 567         Gtk::Widget        *bbt_ruler;
 568         Gtk::Widget        *frames_ruler;
 569         Gtk::Widget        *minsec_ruler;
 570         static Editor      *ruler_editor;
 571
 572         static const double timebar_height;
 573         guint32 visible_timebars;
 574         Gtk::Menu          *editor_ruler_menu;
 575
 576         Gnome::Canvas::Rect* tempo_bar;
 577         Gnome::Canvas::Rect* meter_bar;
 578         Gnome::Canvas::Rect* marker_bar;
 579         Gnome::Canvas::Rect* range_marker_bar;
 580         Gnome::Canvas::Rect* transport_marker_bar;
 581
 582
 583         Gnome::Canvas::Line* tempo_line;
 584         Gnome::Canvas::Line* meter_line;
 585         Gnome::Canvas::Line* marker_line;
 586         Gnome::Canvas::Line* range_marker_line;
 587         Gnome::Canvas::Line* transport_marker_line;
 588
 589         Gnome::Canvas::Points* tempo_line_points;
 590         Gnome::Canvas::Points* meter_line_points;
 591         Gnome::Canvas::Points* marker_line_points;
 592         Gnome::Canvas::Points* range_marker_line_points;
 593         Gnome::Canvas::Points* transport_marker_line_points;
 594
 595         Gtk::Label  minsec_label;
 596         Gtk::Label  bbt_label;
 597         Gtk::Label  smpte_label;
 598         Gtk::Label  frame_label;
 599         Gtk::Label  tempo_label;
 600         Gtk::Label  meter_label;
 601         Gtk::Label  mark_label;
 602         Gtk::Label  range_mark_label;
 603         Gtk::Label  transport_mark_label;
 604
 605
 606         Gtk::VBox          time_button_vbox;
 607         Gtk::HBox          time_button_hbox;
 608
 609         struct Cursor {
 610             Editor&             editor;
 611             Gnome::Canvas::Points* points;
 612             Gnome::Canvas::Item*   canvas_item;
 613             jack_nframes_t      current_frame;
 614             GtkSignalFunc       callback;
 615                 double                          length;
 616
 617             Cursor (Editor&, const string& color, GtkSignalFunc callback);
 618             ~Cursor ();
 619
 620             void set_position (jack_nframes_t);
 621             void set_length (double units);
 622                 void set_y_axis (double position);
 623         };
 624
 625         friend struct Cursor; /* it needs access to several private
 626                                  fields. XXX fix me.
 627                               */
 628
 629         Cursor* playhead_cursor;
 630         Cursor* edit_cursor;
 631         Gnome::Canvas::Group* cursor_group;
 632
 633         void    cursor_to_next_region_point (Cursor*, ARDOUR::RegionPoint);
 634         void    cursor_to_previous_region_point (Cursor*, ARDOUR::RegionPoint);
 635         void    cursor_to_region_point (Cursor*, ARDOUR::RegionPoint, int32_t dir);
 636         void    cursor_to_selection_start (Cursor *);
 637         void    cursor_to_selection_end   (Cursor *);
 638
 639         ARDOUR::Region* find_next_region (jack_nframes_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
 640
 641         vector<jack_nframes_t> region_boundary_cache;
 642         void build_region_boundary_cache ();
 643
 644         Gtk::VBox           trackview_vpacker;
 645
 646         Gtk::HBox           top_hbox;
 647         Gtk::HBox           bottom_hbox;
 648
 649         Gtk::Table          edit_packer;
 650         Gtk::Frame          edit_frame;
 651         Gtk::VScrollbar     edit_vscrollbar;
 652
 653         /* the horizontal scroller works in a rather different way
 654            than a regular scrollbar, since its used for
 655            zoom control/indication as well. But more importantly,
 656            its different components (slider, left arrow, right arrow)
 657            have to be packed separately into the edit_packer.
 658         */
 659
 660         Gtk::HScrollbar     edit_hscrollbar;
 661         Gtk::DrawingArea    edit_hscroll_slider;
 662         Gtk::Arrow          edit_hscroll_left_arrow;
 663         Gtk::Arrow          edit_hscroll_right_arrow;
 664         Gtk::EventBox       edit_hscroll_left_arrow_event;
 665         Gtk::EventBox       edit_hscroll_right_arrow_event;
 666         gint                edit_hscroll_slider_width;
 667         gint                edit_hscroll_slider_height;
 668         static const gint   edit_hscroll_edge_width = 3;
 669         bool                edit_hscroll_dragging;
 670         double              edit_hscroll_drag_last;
 671
 672         void hscroll_slider_allocate (GtkAllocation *);
 673         gint hscroll_slider_expose (GdkEventExpose*);
 674         gint hscroll_slider_button_press (GdkEventButton*);
 675         gint hscroll_slider_button_release (GdkEventButton*);
 676         gint hscroll_slider_motion (GdkEventMotion*);
 677
 678         gint hscroll_trough_expose (GdkEventExpose*);
 679         gint hscroll_trough_button_press (GdkEventButton*);
 680         gint hscroll_trough_button_release (GdkEventButton*);
 681
 682         void update_hscroller ();
 683
 684         gint hscroll_left_arrow_button_press (GdkEventButton *);
 685         gint hscroll_left_arrow_button_release (GdkEventButton *);
 686         gint hscroll_right_arrow_button_press (GdkEventButton *);
 687         gint hscroll_right_arrow_button_release (GdkEventButton *);
 688
 689         guint32             canvas_width;
 690         guint32             canvas_height;
 691
 692         Gtk::ScrolledWindow  track_canvas_scroller;
 693         Gtk::ScrolledWindow  time_canvas_scroller;
 694         Gtk::ScrolledWindow  edit_controls_scroller;
 695
 696         gint edit_controls_button_release (GdkEventButton*);
 697         Gtk::Menu *edit_controls_left_menu;
 698         Gtk::Menu *edit_controls_right_menu;
 699
 700         void track_canvas_scroller_realized ();
 701         void time_canvas_scroller_realized ();
 702
 703         Gtk::VBox           track_canvas_vbox;
 704         Gtk::VBox           time_canvas_vbox;
 705         Gtk::VBox           edit_controls_vbox;
 706         Gtk::HBox           edit_controls_hbox;
 707
 708         void tie_vertical_scrolling ();
 709         void canvas_horizontally_scrolled ();
 710         void reposition_and_zoom (jack_nframes_t sample, double fpu);
 711         gint deferred_reposition_and_zoom (jack_nframes_t sample, double fpu);
 712         void end_location_changed (ARDOUR::Location*);
 713         bool repos_zoom_queued;
 714         bool no_zoom_repos_update;
 715         bool no_tempo_map_update;
 716
 717         struct RegionListDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
 718             RegionListDisplayModelColumns() {
 719                     add (name);
 720                     add (region);
 721             }
 722             Gtk::TreeModelColumn<Glib::ustring> name;
 723             Gtk::TreeModelColumn<ARDOUR::Region*> region;
 724         };
 725
 726         RegionListDisplayModelColumns    region_list_columns;
 727         Gtk::TreeView                    region_list_display;
 728         Glib::RefPtr<Gtk::TreeStore>     region_list_model;
 729         Glib::RefPtr<Gtk::TreeModelSort> region_list_sort_model;
 730         Glib::RefPtr<Gtk::Action>        toggle_full_region_list_action;
 731
 732         void region_list_selection_changed ();
 733
 734         Gtk::Menu          *region_list_menu;
 735         Gtk::ScrolledWindow region_list_scroller;
 736         Gtk::Frame          region_list_frame;
 737
 738         bool region_list_display_key_press (GdkEventKey *);
 739         bool region_list_display_key_release (GdkEventKey *);
 740         bool region_list_display_button_press (GdkEventButton *);
 741         bool region_list_display_button_release (GdkEventButton *);
 742         bool region_list_display_enter_notify (GdkEventCrossing *);
 743         bool region_list_display_leave_notify (GdkEventCrossing *);
 744         void region_list_clear ();
 745         void region_list_selection_mapover (sigc::slot<void,ARDOUR::Region&>);
 746         void build_region_list_menu ();
 747
 748         Gtk::CheckMenuItem* toggle_auto_regions_item;
 749         Gtk::CheckMenuItem* toggle_full_region_list_item;
 750
 751         Gtk::MenuItem* import_audio_item;
 752         Gtk::MenuItem* embed_audio_item;
 753
 754         bool show_automatic_regions_in_region_list;
 755         Editing::RegionListSortType region_list_sort_type;
 756
 757         void reset_region_list_sort_direction (bool);
 758         void reset_region_list_sort_type (Editing::RegionListSortType);
 759
 760         void toggle_full_region_list ();
 761         void toggle_show_auto_regions ();
 762
 763         int region_list_sorter (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
 764
 765         /* named selections */
 766
 767         Gtk::VPaned         region_selection_vpane;
 768         Gtk::TreeView          named_selection_display;
 769         Gtk::ScrolledWindow named_selection_scroller;
 770
 771         void name_selection();
 772         void named_selection_name_chosen ();
 773         void create_named_selection (string);
 774         void paste_named_selection (float times);
 775
 776         void handle_new_named_selection ();
 777         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
 778         void redisplay_named_selections ();
 779
 780         gint named_selection_display_button_press (GdkEventButton *ev);
 781         void named_selection_display_selected (gint row, gint col, GdkEvent *ev);
 782         void named_selection_display_unselected (gint row, gint col, GdkEvent *ev);
 783
 784         /* track views */
 785         int track_spacing;
 786         TrackViewList  track_views;
 787         TimeAxisView     *trackview_by_y_position (double ypos);
 788
 789         static GdkCursor* cross_hair_cursor;
 790         static GdkCursor* trimmer_cursor;
 791         static GdkCursor* selector_cursor;
 792         static GdkCursor* grabber_cursor;
 793         static GdkCursor* zoom_cursor;
 794         static GdkCursor* time_fx_cursor;
 795         static GdkCursor* fader_cursor;
 796         static GdkCursor* speaker_cursor;
 797         static GdkCursor* null_cursor;
 798         static GdkCursor* wait_cursor;
 799         static GdkCursor* timebar_cursor;
 800
 801         static void build_cursors ();
 802
 803         sigc::connection scroll_connection;
 804         jack_nframes_t last_update_frame;
 805         void center_screen (jack_nframes_t);
 806         void center_screen_internal (jack_nframes_t, float);
 807
 808         void update_current_screen ();
 809         sigc::connection slower_update_connection;
 810         void update_slower ();
 811
 812         gint show_track_context_menu (GdkEventButton *);
 813         void hide_track_context_menu ();
 814
 815         void session_going_away ();
 816
 817         jack_nframes_t cut_buffer_start;
 818         jack_nframes_t cut_buffer_length;
 819
 820         gint typed_event (GnomeCanvasItem*, GdkEvent*, ItemType);
 821         gint button_press_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
 822         gint button_release_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
 823         gint motion_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
 824         gint enter_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
 825         gint leave_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
 826
 827         /* KEYMAP HANDLING */
 828
 829         void register_actions ();
 830         void install_keybindings ();
 831
 832         int ensure_cursor (jack_nframes_t* pos);
 833
 834         void fake_handle_new_audio_region (ARDOUR::AudioRegion *);
 835         void handle_new_audio_region (ARDOUR::AudioRegion *);
 836         void fake_handle_audio_region_removed (ARDOUR::AudioRegion *);
 837         void handle_audio_region_removed (ARDOUR::AudioRegion *);
 838         void add_audio_region_to_region_display (ARDOUR::AudioRegion *);
 839         void region_hidden (ARDOUR::Region*);
 840         void redisplay_regions ();
 841         void insert_into_tmp_audio_regionlist(ARDOUR::AudioRegion *);
 842
 843         list<ARDOUR::AudioRegion *> tmp_audio_region_list;
 844
 845         void cut_copy (Editing::CutCopyOp);
 846         void cut_copy_points (Editing::CutCopyOp);
 847         void cut_copy_regions (Editing::CutCopyOp);
 848         void cut_copy_ranges (Editing::CutCopyOp);
 849
 850         void mouse_paste ();
 851         void paste_internal (jack_nframes_t position, float times);
 852
 853         /* EDITING OPERATIONS */
 854
 855         void toggle_region_mute ();
 856         void toggle_region_opaque ();
 857         void raise_region ();
 858         void raise_region_to_top ();
 859         void lower_region ();
 860         void lower_region_to_bottom ();
 861         void split_region ();
 862         void split_region_at (jack_nframes_t);
 863         void split_regions_at (jack_nframes_t, AudioRegionSelection&);
 864         void crop_region_to_selection ();
 865         void set_region_sync_from_edit_cursor ();
 866         void remove_region_sync();
 867         void align_selection (ARDOUR::RegionPoint, jack_nframes_t position);
 868         void align_selection_relative (ARDOUR::RegionPoint point, jack_nframes_t position);
 869         void align_region (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
 870         void align_region_internal (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
 871         void remove_some_regions ();
 872         void remove_clicked_region ();
 873         void destroy_clicked_region ();
 874         void edit_region ();
 875         void duplicate_some_regions (AudioRegionSelection&, float times);
 876         void duplicate_selection (float times);
 877         void region_fill_selection ();
 878
 879         void region_fill_track ();
 880         void audition_playlist_region_standalone (ARDOUR::AudioRegion&);
 881         void audition_playlist_region_via_route (ARDOUR::AudioRegion&, ARDOUR::Route&);
 882         void split_multichannel_region();
 883         void reverse_region ();
 884         void normalize_region ();
 885         void denormalize_region ();
 886
 887         void audition_region_from_region_list ();
 888         void hide_region_from_region_list ();
 889         void remove_region_from_region_list ();
 890
 891         void align (ARDOUR::RegionPoint);
 892         void align_relative (ARDOUR::RegionPoint);
 893         void naturalize ();
 894
 895         void cut ();
 896         void copy ();
 897         void paste (float times);
 898
 899         int  get_prefix (float&, bool&);
 900
 901         void keyboard_paste ();
 902         void keyboard_duplicate_region ();
 903         void keyboard_duplicate_selection ();
 904         void keyboard_nudge ();
 905         void keyboard_insert_region_list_selection ();
 906
 907         void region_from_selection ();
 908         void create_region_from_selection (std::vector<ARDOUR::AudioRegion*>&);
 909
 910         bool region_renamed;
 911         void rename_region ();
 912         void rename_region_finished (bool);
 913
 914         void play_from_start ();
 915         void play_from_edit_cursor ();
 916         void play_selected_region ();
 917         void audition_selected_region ();
 918         void toggle_loop_playback ();
 919         void loop_selected_region ();
 920         void play_location (ARDOUR::Location&);
 921         void loop_location (ARDOUR::Location&);
 922
 923         Editing::ZoomFocus zoom_focus;
 924
 925         void temporal_zoom_selection ();
 926         void temporal_zoom_session ();
 927         void temporal_zoom (gdouble scale);
 928         void temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, string op);
 929         void temporal_zoom_to_frame (bool coarser, jack_nframes_t frame);
 930
 931         void amplitude_zoom (gdouble scale);
 932         void amplitude_zoom_step (bool in);
 933
 934         void insert_region_list_drag (ARDOUR::AudioRegion&);
 935         void insert_region_list_selection (float times);
 936
 937         void insert_sndfile (bool as_tracks);
 938         void embed_audio ();    // inserts into region list
 939         int  reject_because_rate_differs (string path, SF_INFO& finfo, string action, bool multiple_pending);
 940
 941         void do_embed_sndfiles (vector<string> paths, bool split);
 942         void embed_sndfile (string path, bool split, bool multiple_files, bool& check_sr);
 943
 944         void do_insert_sndfile (vector<string> path, bool multi, jack_nframes_t frame);
 945         void insert_paths_as_new_tracks (std::vector<std::string> paths, bool multi); // inserts files as new tracks
 946         void insert_sndfile_into (string path, bool multi, AudioTimeAxisView* tv, jack_nframes_t& frame, bool prompt=true);
 947         static void* _insert_sndfile_thread (void*);
 948         void*  insert_sndfile_thread (void*);
 949
 950         /* generic interthread progress window */
 951
 952         ArdourDialog* interthread_progress_window;
 953         Gtk::Label interthread_progress_label;
 954         Gtk::VBox interthread_progress_vbox;
 955         Gtk::ProgressBar interthread_progress_bar;
 956         Gtk::Button interthread_cancel_button;
 957         Gtk::Label interthread_cancel_label;
 958         sigc::connection  interthread_progress_connection;
 959         void interthread_cancel_clicked ();
 960         void build_interthread_progress_window ();
 961         ARDOUR::InterThreadInfo* current_interthread_info;
 962
 963         /* import specific info */
 964
 965         ARDOUR::Session::import_status import_status;
 966         gint import_progress_timeout (void *);
 967         static void *_import_thread (void *);
 968         void* import_thread ();
 969         void catch_new_audio_region (ARDOUR::AudioRegion*);
 970         ARDOUR::AudioRegion* last_audio_region;
 971
 972         /* to support this ... */
 973
 974         void import_audio (bool as_tracks);
 975         void do_import (vector<string> paths, bool split, bool as_tracks);
 976
 977         void move_to_start ();
 978         void move_to_end ();
 979         void goto_frame ();
 980         void center_playhead ();
 981         void center_edit_cursor ();
 982         void edit_cursor_backward ();
 983         void edit_cursor_forward ();
 984         void playhead_backward ();
 985         void playhead_forward ();
 986         void scroll_backward (float pages=0.8f);
 987         void scroll_forward (float pages=0.8f);
 988         void scroll_tracks_down ();
 989         void scroll_tracks_up ();
 990         void delete_sample_forward ();
 991         void delete_sample_backward ();
 992         void delete_screen ();
 993         void search_backwards ();
 994         void search_forwards ();
 995         void set_mark ();
 996         void clear_markers ();
 997         void clear_ranges ();
 998         void clear_locations ();
 999         void jump_forward_to_mark ();
1000         void jump_backward_to_mark ();
1001         void cursor_align (bool playhead_to_edit);
1002
1003         void remove_last_capture ();
1004
1005         void set_selection_from_range (ARDOUR::Location&);
1006         void set_selection_from_punch ();
1007         void set_selection_from_loop ();
1008
1009         void add_location_from_selection ();
1010         void set_route_loop_selection ();
1011
1012         void add_location_from_playhead_cursor ();
1013
1014         void reverse_selection ();
1015         void edit_envelope ();
1016
1017         void start_scrolling ();
1018         void stop_scrolling ();
1019
1020         void keyboard_selection_begin ();
1021         void keyboard_selection_finish (bool add);
1022         bool have_pending_keyboard_selection;
1023         jack_nframes_t pending_keyboard_selection_start;
1024
1025         ARDOUR::AudioRegion* select_region_for_operation (int dir, TimeAxisView **tv);
1026         void extend_selection_to_end_of_region (bool next);
1027         void extend_selection_to_start_of_region (bool previous);
1028
1029         Editing::SnapType snap_type;
1030         Editing::SnapMode snap_mode;
1031         double snap_threshold;
1032
1033         void soundfile_chosen_for_insert (string selection, bool split_channels);
1034         void soundfile_chosen_for_embed (string selection, bool split_channels);
1035         void soundfile_chosen_for_import (string selection, bool split_channels);
1036
1037         void handle_gui_changes (string, void *);
1038
1039         void    hide_all_tracks (bool with_select);
1040
1041         void route_list_selected (gint row, gint col, GdkEvent* ev);
1042         void route_list_unselected (gint row, gint col, GdkEvent* ev);
1043         void redisplay_route_list();
1044         gint route_list_reordered ();
1045         bool ignore_route_list_reorder;
1046         void queue_route_list_reordered (gint row, gint col);
1047
1048         struct DragInfo {
1049             GnomeCanvasItem* item;
1050             void* data;
1051             jack_nframes_t last_frame_position;
1052             int32_t pointer_frame_offset;
1053             jack_nframes_t grab_frame;
1054             jack_nframes_t last_pointer_frame;
1055             jack_nframes_t current_pointer_frame;
1056             double grab_x, grab_y;
1057             double cumulative_x_drag;
1058             double cumulative_y_drag;
1059             double current_pointer_x;
1060             double current_pointer_y;
1061             void (Editor::*motion_callback)(GnomeCanvasItem*, GdkEvent*);
1062             void (Editor::*finished_callback)(GnomeCanvasItem*, GdkEvent*);
1063             TimeAxisView* last_trackview;
1064             bool x_constrained;
1065             bool copy;
1066             bool was_rolling;
1067             bool first_move;
1068             bool move_threshold_passsed;
1069             bool want_move_threshold;
1070             bool brushing;
1071             ARDOUR::Location* copied_location;
1072         } drag_info;
1073
1074         struct LineDragInfo {
1075             uint32_t before;
1076             uint32_t after;
1077         };
1078
1079         LineDragInfo current_line_drag_info;
1080
1081         void start_grab (GdkEvent*, GdkCursor* cursor = 0);
1082         bool end_grab (GnomeCanvasItem*, GdkEvent*);
1083
1084         Gtk::Menu fade_context_menu;
1085         void popup_fade_context_menu (int, int, GnomeCanvasItem*, ItemType);
1086
1087         void start_fade_in_grab (GnomeCanvasItem*, GdkEvent*);
1088         void start_fade_out_grab (GnomeCanvasItem*, GdkEvent*);
1089         void fade_in_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1090         void fade_out_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1091         void fade_in_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1092         void fade_out_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1093
1094         std::set<ARDOUR::Playlist*> motion_frozen_playlists;
1095         void region_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1096         void region_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1097         void region_copy_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1098
1099         void cursor_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1100         void cursor_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1101         void marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1102         void marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1103         void control_point_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1104         void control_point_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1105         void line_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1106         void line_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1107
1108         void tempo_marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1109         void tempo_marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1110         void meter_marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1111         void meter_marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1112
1113         gint mouse_rename_region (GnomeCanvasItem*, GdkEvent*);
1114
1115         void start_region_grab (GnomeCanvasItem*, GdkEvent*);
1116         void start_region_copy_grab (GnomeCanvasItem*, GdkEvent*);
1117         void start_region_brush_grab (GnomeCanvasItem*, GdkEvent*);
1118         void start_selection_grab (GnomeCanvasItem*, GdkEvent*);
1119         void start_cursor_grab (GnomeCanvasItem*, GdkEvent*);
1120         void start_marker_grab (GnomeCanvasItem*, GdkEvent*);
1121         void start_control_point_grab (GnomeCanvasItem*, GdkEvent*);
1122         void start_line_grab_from_regionview (GnomeCanvasItem*, GdkEvent*);
1123         void start_line_grab_from_line (GnomeCanvasItem*, GdkEvent*);
1124         void start_line_grab (AutomationLine *, GdkEvent*);
1125         void start_tempo_marker_grab (GnomeCanvasItem*, GdkEvent*);
1126         void start_meter_marker_grab (GnomeCanvasItem*, GdkEvent*);
1127
1128         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1129
1130         void remove_gain_control_point (GnomeCanvasItem*, GdkEvent*);
1131         void remove_control_point (GnomeCanvasItem*, GdkEvent*);
1132
1133         void mouse_brush_insert_region (AudioRegionView*, jack_nframes_t pos);
1134         void brush (jack_nframes_t);
1135
1136         void show_verbose_time_cursor (jack_nframes_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1137         void show_verbose_duration_cursor (jack_nframes_t start, jack_nframes_t end, double offset = 0, double xpos=-1, double ypos=-1);
1138
1139         /* Canvas event handlers */
1140
1141         gint canvas_crossfade_view_event (GdkEvent* event);
1142         gint canvas_fade_in_event (GdkEvent* event);
1143         gint canvas_fade_in_handle_event (GdkEvent* event);
1144         gint canvas_fade_out_event (GdkEvent* event);
1145         gint canvas_fade_out_handle_event (GdkEvent* event);
1146         gint canvas_region_view_event (GdkEvent* event);
1147         gint canvas_region_view_name_highlight_event (GdkEvent* event);
1148         gint canvas_region_view_name_event (GdkEvent* event);
1149         gint canvas_stream_view_event (GdkEvent* event);
1150         gint canvas_marker_event (GdkEvent* event);
1151         gint canvas_zoom_rect_event (GdkEvent* event);
1152         gint canvas_selection_rect_event (GdkEvent* event);
1153         gint canvas_selection_start_trim_event (GdkEvent* event);
1154         gint canvas_selection_end_trim_event (GdkEvent* event);
1155         gint canvas_control_point_event (GdkEvent* event);
1156         gint canvas_line_event (GdkEvent* event);
1157         gint canvas_tempo_marker_event (GdkEvent* event);
1158         gint canvas_meter_marker_event (GdkEvent* event);
1159         gint canvas_tempo_bar_event (GdkEvent* event);
1160         gint canvas_meter_bar_event (GdkEvent* event);
1161         gint canvas_marker_bar_event (GdkEvent* event);
1162         gint canvas_range_marker_bar_event (GdkEvent* event);
1163         gint canvas_transport_marker_bar_event (GdkEvent* event);
1164         gint canvas_imageframe_item_view_event(GdkEvent* event) ;
1165         gint canvas_imageframe_view_event(GdkEvent* event) ;
1166         gint canvas_imageframe_start_handle_event(GdkEvent* event) ;
1167         gint canvas_imageframe_end_handle_event(GdkEvent* event) ;
1168         gint canvas_marker_time_axis_view_event(GdkEvent* event) ;
1169         gint canvas_markerview_item_view_event(GdkEvent* event) ;
1170         gint canvas_markerview_start_handle_event(GdkEvent* event) ;
1171         gint canvas_markerview_end_handle_event(GdkEvent* event) ;
1172         gint canvas_automation_track_event(GdkEvent* event) ;
1173
1174 #if 0
1175         gint canvas_crossfade_view_event (GnomeCanvasItem* item, GdkEvent* event, CrossfadeView*);
1176         gint canvas_fade_in_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1177         gint canvas_fade_in_handle_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1178         gint canvas_fade_out_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1179         gint canvas_fade_out_handle_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1180         gint canvas_region_view_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1181         gint canvas_stream_view_event (GnomeCanvasItem* item, GdkEvent* event, AudioTimeAxisView*);
1182         gint canvas_automation_track_event (GnomeCanvasItem* item, GdkEvent* event, AutomationTimeAxisView*);
1183         gint canvas_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1184         gint canvas_zoom_rect_event (GnomeCanvasItem* item, GdkEvent* event);
1185         gint canvas_selection_rect_event (GnomeCanvasItem* item, GdkEvent* event);
1186         gint canvas_selection_start_trim_event (GnomeCanvasItem* item, GdkEvent* event);
1187         gint canvas_selection_end_trim_event (GnomeCanvasItem* item, GdkEvent* event);
1188         gint canvas_control_point_event (GnomeCanvasItem* item, GdkEvent* event);
1189         gint canvas_line_event (GnomeCanvasItem* item, GdkEvent* event);
1190         gint canvas_tempo_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1191         gint canvas_meter_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1192         gint canvas_tempo_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1193         gint canvas_meter_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1194         gint canvas_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1195         gint canvas_range_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1196         gint canvas_transport_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1197         gint canvas_region_view_name_highlight_event (GnomeCanvasItem* item, GdkEvent* event);
1198         gint canvas_region_view_name_event (GnomeCanvasItem* item, GdkEvent* event);
1199 #endif
1200
1201         gint canvas_copy_region_event (GdkEvent* event);
1202         gint canvas_playhead_cursor_event (GdkEvent* event);
1203         gint canvas_edit_cursor_event (GdkEvent* event);
1204         gint track_canvas_event (GdkEvent* event);
1205
1206         gint track_canvas_button_press_event (GdkEventButton *);
1207         gint track_canvas_button_release_event (GdkEventButton *);
1208
1209         void track_canvas_allocate (GtkAllocation* alloc);
1210         void time_canvas_allocate (GtkAllocation* alloc);
1211
1212         void set_edit_cursor (GdkEvent* event);
1213         void set_playhead_cursor (GdkEvent* event);
1214
1215         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1216         void kbd_set_playhead_cursor ();
1217         void kbd_set_edit_cursor ();
1218         void kbd_split ();
1219         void kbd_align (ARDOUR::RegionPoint);
1220         void kbd_align_relative (ARDOUR::RegionPoint);
1221         void kbd_brush ();
1222         void kbd_audition ();
1223
1224         void kbd_do_split (GdkEvent*);
1225         void kbd_do_align (GdkEvent*, ARDOUR::RegionPoint);
1226         void kbd_do_align_relative (GdkEvent*, ARDOUR::RegionPoint);
1227         void kbd_do_brush (GdkEvent*);
1228         void kbd_do_audition (GdkEvent*);
1229
1230         void fake_handle_new_duration ();
1231         void handle_new_duration ();
1232         void initialize_canvas ();
1233         void reset_scrolling_region (GtkAllocation* alloc = 0);
1234         void scroll_canvas ();
1235
1236         /* sub-event loop handling */
1237
1238         int32_t sub_event_loop_status;
1239         void run_sub_event_loop ();
1240         void finish_sub_event_loop (int status);
1241         gint finish_sub_event_loop_on_delete (GdkEventAny*, int32_t status);
1242
1243         /* display control */
1244
1245         bool _show_measures;
1246         bool _show_waveforms;
1247         bool _follow_playhead;
1248         bool _show_waveforms_recording;
1249
1250         void add_bbt_marks (ARDOUR::TempoMap::BBTPointList&);
1251
1252         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1253
1254         typedef vector<GnomeCanvasItem*> TimeLineList;
1255         TimeLineList free_measure_lines;
1256         TimeLineList used_measure_lines;
1257
1258         GnomeCanvasItem* time_line_group;
1259         GnomeCanvasItem* get_time_line ();
1260         void hide_measures ();
1261         void draw_measures ();
1262         void draw_time_bars ();
1263
1264         void new_tempo_section ();
1265
1266         void mouse_add_new_tempo_event (jack_nframes_t where);
1267         void mouse_add_new_meter_event (jack_nframes_t where);
1268
1269         void remove_tempo_marker (GnomeCanvasItem*);
1270         void remove_meter_marker (GnomeCanvasItem*);
1271         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1272         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1273
1274         void edit_tempo_section (ARDOUR::TempoSection*);
1275         void edit_meter_section (ARDOUR::MeterSection*);
1276         void edit_tempo_marker (GnomeCanvasItem*);
1277         void edit_meter_marker (GnomeCanvasItem*);
1278
1279         void marker_menu_edit ();
1280         void marker_menu_remove ();
1281         void marker_menu_rename ();
1282         void marker_menu_hide ();
1283         void marker_menu_loop_range ();
1284         void marker_menu_play_from ();
1285         void marker_menu_set_playhead ();
1286         void marker_menu_set_from_playhead ();
1287         void marker_menu_set_from_selection ();
1288         void new_transport_marker_menu_set_loop ();
1289         void new_transport_marker_menu_set_punch ();
1290         void update_loop_range_view (bool visibility=false);
1291         void update_punch_range_view (bool visibility=false);
1292         gint new_transport_marker_menu_popdown (GdkEventAny*);
1293         void marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1294         void tm_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1295         void transport_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1296         void new_transport_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1297         void build_marker_menu ();
1298         void build_tm_marker_menu ();
1299         void build_transport_marker_menu ();
1300         void build_new_transport_marker_menu ();
1301
1302         Gtk::Menu* tm_marker_menu;
1303         Gtk::Menu* marker_menu;
1304         Gtk::Menu* transport_marker_menu;
1305         Gtk::Menu* new_transport_marker_menu;
1306         GnomeCanvasItem* marker_menu_item;
1307
1308         typedef list<Marker*> Marks;
1309         Marks metric_marks;
1310
1311         void remove_metric_marks ();
1312         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1313
1314         void tempo_map_changed (ARDOUR::Change);
1315         void redisplay_tempo ();
1316
1317         void snap_to (jack_nframes_t& first, int32_t direction = 0, bool for_mark = false);
1318         uint32_t bbt_beat_subdivision;
1319
1320         /* toolbar */
1321
1322         Gtk::ToggleButton        editor_mixer_button;
1323
1324         void editor_mixer_button_toggled ();
1325
1326         AudioClock               selection_start_clock;
1327         Gtk::Label               selection_start_clock_label;
1328         AudioClock               selection_end_clock;
1329         Gtk::Label               selection_end_clock_label;
1330         AudioClock               edit_cursor_clock;
1331         Gtk::Label               edit_cursor_clock_label;
1332         AudioClock               zoom_range_clock;
1333         Gtk::Button              zoom_in_button;
1334         Gtk::Button              zoom_out_button;
1335         Gtk::Button              zoom_out_full_button;
1336         Gtk::Button              zoom_onetoone_button;
1337
1338         Gtk::VBox                toolbar_clock_vbox;
1339         Gtk::VBox                toolbar_selection_clock_vbox;
1340         Gtk::Table               toolbar_selection_clock_table;
1341         Gtk::Label               toolbar_selection_cursor_label;
1342
1343         Gtk::Table               mouse_mode_button_table;
1344         Gtkmm2ext::TearOff*       mouse_mode_tearoff;
1345         Gtk::ToggleButton        mouse_select_button;
1346         Gtk::ToggleButton        mouse_move_button;
1347         Gtk::ToggleButton        mouse_gain_button;
1348         Gtk::ToggleButton        mouse_zoom_button;
1349         Gtk::ToggleButton        mouse_timefx_button;
1350         Gtk::ToggleButton        mouse_audition_button;
1351         GroupedButtons          *mouse_mode_button_set;
1352         void                     mouse_mode_toggled (Editing::MouseMode m);
1353         bool                     ignore_mouse_mode_toggle;
1354
1355         gint                     mouse_select_button_release (GdkEventButton*);
1356
1357         Gtk::VBox                automation_box;
1358         Gtk::Button              automation_mode_button;
1359         Gtk::ToggleButton        global_automation_button;
1360
1361         Gtk::ComboBoxText edit_mode_selector;
1362         Gtk::Label               edit_mode_label;
1363         Gtk::VBox                edit_mode_box;
1364
1365         gint edit_mode_selection_done (GdkEventAny*);
1366
1367         Gtk::ComboBoxText snap_type_selector;
1368         Gtk::Label               snap_type_label;
1369         Gtk::VBox                snap_type_box;
1370
1371         gint snap_type_selection_done (GdkEventAny*);
1372
1373         Gtk::ComboBoxText               snap_mode_selector;
1374         Gtk::Label               snap_mode_label;
1375         Gtk::VBox                snap_mode_box;
1376
1377         gint snap_mode_selection_done (GdkEventAny*);
1378
1379         Gtk::ComboBoxText zoom_focus_selector;
1380         Gtk::Label               zoom_focus_label;
1381         Gtk::VBox                zoom_focus_box;
1382
1383         gint zoom_focus_selection_done (GdkEventAny*);
1384
1385         Gtk::Label          zoom_indicator_label;
1386         Gtk::HBox           zoom_indicator_box;
1387         Gtk::VBox           zoom_indicator_vbox;
1388
1389         void                update_zoom_indicator ();
1390         void                zoom_adjustment_changed();
1391
1392         void                edit_cursor_clock_changed();
1393
1394         void setup_toolbar ();
1395
1396         Gtkmm2ext::TearOff*       tools_tearoff;
1397         Gtk::HBox                toolbar_hbox;
1398         Gtk::EventBox            toolbar_base;
1399         Gtk::Frame               toolbar_frame;
1400
1401         /* selection process */
1402
1403         Selection* selection;
1404         Selection* cut_buffer;
1405
1406         void time_selection_changed ();
1407         void track_selection_changed ();
1408         void region_selection_changed ();
1409         void point_selection_changed ();
1410         void audio_track_selection_changed ();
1411         void line_selection_changed ();
1412
1413         enum SelectionOp {
1414                 CreateSelection,
1415                 SelectionStartTrim,
1416                 SelectionEndTrim,
1417                 SelectionMove
1418         } selection_op;
1419
1420         void start_selection_op (GnomeCanvasItem* item, GdkEvent* event, SelectionOp);
1421         void drag_selection (GnomeCanvasItem* item, GdkEvent* event);
1422         void end_selection_op (GnomeCanvasItem* item, GdkEvent* event);
1423         void cancel_selection ();
1424
1425         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1426         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1427         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1428
1429         bool audio_region_selection_covers (jack_nframes_t where);
1430
1431         Gtk::VPaned  route_group_vpane;
1432         Gtk::Frame   route_list_frame;
1433         Gtk::Frame   edit_group_list_frame;
1434
1435         /* transport range select process */
1436         enum RangeMarkerOp {
1437                 CreateRangeMarker,
1438                 CreateTransportMarker
1439         } range_marker_op;
1440
1441         void start_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event, RangeMarkerOp);
1442         void drag_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event);
1443         void end_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event);
1444
1445
1446         GnomeCanvasItem      *range_bar_drag_rect;
1447         GnomeCanvasItem      *transport_bar_drag_rect;
1448         GnomeCanvasItem      *marker_drag_line;
1449         GnomeCanvasPoints    *marker_drag_line_points;
1450         GnomeCanvasItem      *range_marker_drag_rect;
1451
1452         void update_marker_drag_item (ARDOUR::Location *);
1453
1454         GnomeCanvasItem      *transport_bar_range_rect;
1455         GnomeCanvasItem      *transport_bar_preroll_rect;
1456         GnomeCanvasItem      *transport_bar_postroll_rect;
1457         GnomeCanvasItem      *transport_loop_range_rect;
1458         GnomeCanvasItem      *transport_punch_range_rect;
1459         GnomeCanvasItem      *transport_punchin_line;
1460         GnomeCanvasItem      *transport_punchout_line;
1461         GnomeCanvasItem      *transport_preroll_rect;
1462         GnomeCanvasItem      *transport_postroll_rect;
1463
1464         ARDOUR::Location*  transport_loop_location();
1465         ARDOUR::Location*  transport_punch_location();
1466
1467         ARDOUR::Location   *temp_location;
1468
1469         /* object rubberband select process */
1470
1471         void start_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1472         void drag_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1473         void end_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1474
1475         bool select_all_within (jack_nframes_t start, jack_nframes_t end, gdouble topy, gdouble boty, bool add);
1476
1477         GnomeCanvasItem   *rubberband_rect;
1478
1479         /* mouse zoom process */
1480
1481         void start_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1482         void drag_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1483         void end_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1484
1485         GnomeCanvasItem   *zoom_rect;
1486         void reposition_zoom_rect (jack_nframes_t start, jack_nframes_t end);
1487
1488         /* diskstream/route display management */
1489
1490         Gtk::TreeView          route_list;
1491         Gtk::ScrolledWindow route_list_scroller;
1492         Gtk::Menu          *route_list_menu;
1493
1494         void route_list_column_click (gint);
1495         void build_route_list_menu ();
1496         void select_all_routes ();
1497         void unselect_all_routes ();
1498         void select_all_audiotracks ();
1499         void unselect_all_audiotracks ();
1500         void select_all_audiobus ();
1501         void unselect_all_audiobus ();
1502
1503         /* edit group management */
1504
1505         Gtk::Button         edit_group_list_button;
1506         Gtk::Label          edit_group_list_button_label;
1507         Gtk::TreeView       edit_group_list;
1508         Gtk::ScrolledWindow edit_group_list_scroller;
1509         Gtk::Menu          *edit_group_list_menu;
1510         Gtk::VBox           edit_group_vbox;
1511
1512
1513         void edit_group_list_column_click (gint);
1514         void build_edit_group_list_menu ();
1515         void select_all_edit_groups ();
1516         void unselect_all_edit_groups ();
1517         void new_edit_group ();
1518         void edit_group_list_button_clicked ();
1519         gint edit_group_list_button_press_event (GdkEventButton* ev);
1520         void edit_group_selected (gint row, gint col, GdkEvent* ev);
1521         void edit_group_unselected (gint row, gint col, GdkEvent* ev);
1522         void fake_add_edit_group (ARDOUR::RouteGroup* group);
1523         void add_edit_group (ARDOUR::RouteGroup* group);
1524         void group_flags_changed (void*, ARDOUR::RouteGroup*);
1525
1526         Gtk::VBox           list_vpacker;
1527
1528         static GdkPixmap* check_pixmap;
1529         static GdkBitmap* check_mask;
1530         static GdkPixmap* empty_pixmap;
1531         static GdkBitmap* empty_mask;
1532
1533         /* autoscrolling */
1534
1535         int autoscroll_timeout_tag;
1536         int autoscroll_direction;
1537         uint32_t autoscroll_cnt;
1538         jack_nframes_t autoscroll_distance;
1539
1540         static gint _autoscroll_canvas (void *);
1541         gint autoscroll_canvas ();
1542         void start_canvas_autoscroll (int direction);
1543         void stop_canvas_autoscroll ();
1544         void maybe_autoscroll (GdkEvent*);
1545
1546         /* trimming */
1547         enum TrimOp {
1548                 StartTrim,
1549                 EndTrim,
1550                 ContentsTrim,
1551         } trim_op;
1552
1553         void start_trim (GnomeCanvasItem*, GdkEvent*);
1554         void point_trim (GdkEvent*);
1555         void trim_motion_callback (GnomeCanvasItem*, GdkEvent*);
1556         void single_contents_trim (AudioRegionView&, jack_nframes_t, bool, bool, bool);
1557         void single_start_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1558         void single_end_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1559
1560         void trim_finished_callback (GnomeCanvasItem*, GdkEvent*);
1561         void thaw_region_after_trim (AudioRegionView& rv);
1562
1563         void trim_region_to_edit_cursor ();
1564         void trim_region_from_edit_cursor ();
1565
1566         bool show_gain_after_trim;
1567
1568         /* Drag-n-Drop */
1569
1570         int convert_drop_to_paths (std::vector<std::string>& paths,
1571                                    GdkDragContext     *context,
1572                                    gint                x,
1573                                    gint                y,
1574                                    GtkSelectionData   *data,
1575                                    guint               info,
1576                                    guint               time);
1577
1578         void  track_canvas_drag_data_received  (GdkDragContext     *context,
1579                                                 gint                x,
1580                                                 gint                y,
1581                                                 GtkSelectionData   *data,
1582                                                 guint               info,
1583                                                 guint               time);
1584
1585         void  region_list_display_drag_data_received  (GdkDragContext     *context,
1586                                                        gint                x,
1587                                                        gint                y,
1588                                                        GtkSelectionData   *data,
1589                                                        guint               info,
1590                                                        guint               time);
1591
1592         /* audio export */
1593
1594         ExportDialog *export_dialog;
1595         void export_range (jack_nframes_t start, jack_nframes_t end);
1596
1597         int write_region_selection(AudioRegionSelection&);
1598         bool write_region (string path, ARDOUR::AudioRegion&);
1599         void export_region ();
1600         void write_a_region ();
1601         void bounce_region_selection ();
1602         void bounce_range_selection ();
1603         void external_edit_region ();
1604
1605         int write_audio_selection (TimeSelection&);
1606         bool write_audio_range (ARDOUR::Playlist&, uint32_t channels, list<ARDOUR::AudioRange>&);
1607
1608         void write_selection ();
1609
1610         /* history */
1611
1612         UndoAction get_memento() const;
1613
1614         void begin_reversible_command (string cmd_name);
1615         void commit_reversible_command ();
1616
1617         /* visual history */
1618
1619         UndoHistory visual_history;
1620         UndoCommand current_visual_command;
1621
1622         void begin_reversible_visual_command (string cmd_name);
1623         void commit_reversible_visual_command ();
1624
1625         void update_title ();
1626         void update_title_s (string snapshot_name);
1627
1628         struct State {
1629             Selection* selection;
1630             double     frames_per_unit;
1631
1632             State();
1633             ~State();
1634         };
1635
1636         void store_state (State&) const;
1637         void restore_state (State *);
1638
1639         void instant_save ();
1640
1641         ARDOUR::AudioRegion* last_audition_region;
1642
1643         /* freeze operations */
1644
1645         ARDOUR::InterThreadInfo freeze_status;
1646         gint freeze_progress_timeout (void *);
1647         static void* _freeze_thread (void*);
1648         void* freeze_thread ();
1649
1650         void freeze_route ();
1651         void unfreeze_route ();
1652
1653         /* edit-group solo + mute */
1654
1655         void set_edit_group_solo (ARDOUR::Route&, bool);
1656         void set_edit_group_mute (ARDOUR::Route&, bool);
1657
1658         /* duplication */
1659
1660         void duplicate_dialog (bool for_region);
1661
1662         /* edit menu */
1663
1664         Gtk::Menu* edit_menu;
1665         void edit_menu_map_handler ();
1666
1667         jack_nframes_t event_frame (GdkEvent*, double* px = 0, double* py = 0);
1668
1669         void time_fx_motion (GnomeCanvasItem*, GdkEvent*);
1670         void start_time_fx (GnomeCanvasItem*, GdkEvent*);
1671         void end_time_fx (GnomeCanvasItem*, GdkEvent*);
1672
1673         struct TimeStretchDialog : public ArdourDialog {
1674             ARDOUR::Session::TimeStretchRequest request;
1675             Editor&               editor;
1676             AudioRegionSelection  regions;
1677             Gtk::ProgressBar      progress_bar;
1678             Gtk::ToggleButton     quick_button;
1679             Gtk::ToggleButton     antialias_button;
1680             Gtk::Button           cancel_button;
1681             Gtk::Button           action_button;
1682             Gtk::HBox             lower_button_box;
1683             Gtk::HBox             upper_button_box;
1684             Gtk::VBox             packer;
1685             int                   status;
1686
1687             TimeStretchDialog (Editor& e);
1688
1689             gint update_progress ();
1690             sigc::connection first_cancel;
1691             sigc::connection first_delete;
1692             void cancel_timestretch_in_progress ();
1693             gint delete_timestretch_in_progress (GdkEventAny*);
1694         };
1695
1696         /* "whats mine is yours" */
1697
1698         friend class TimeStretchDialog;
1699
1700         TimeStretchDialog* current_timestretch;
1701
1702         static void* timestretch_thread (void *arg);
1703         int run_timestretch (AudioRegionSelection&, float fraction);
1704         void do_timestretch (TimeStretchDialog&);
1705
1706         /* editor-mixer strip */
1707
1708         MixerStrip *current_mixer_strip;
1709         Gtk::VBox current_mixer_strip_vbox;
1710         void cms_deleted ();
1711         void current_mixer_strip_hidden ();
1712         void current_mixer_strip_removed ();
1713
1714         void detach_tearoff (Gtk::Box* b, Gtk::Widget* w);
1715         void reattach_tearoff (Gtk::Box* b, Gtk::Widget* w, int32_t n);
1716
1717         /* nudging tracks */
1718
1719         void nudge_track (bool use_edit_cursor, bool forwards);
1720
1721         /* xfades */
1722
1723         bool _xfade_visibility;
1724
1725         /* <CMT Additions> */
1726         void handle_new_imageframe_time_axis_view(std::string track_name, void* src) ;
1727         void handle_new_imageframe_marker_time_axis_view(std::string track_name, TimeAxisView* marked_track) ;
1728
1729         void start_imageframe_grab(GnomeCanvasItem*, GdkEvent*) ;
1730         void start_markerview_grab(GnomeCanvasItem*, GdkEvent*) ;
1731
1732         void imageframe_drag_motion_callback(GnomeCanvasItem*, GdkEvent*) ;
1733         void markerview_drag_motion_callback(GnomeCanvasItem*, GdkEvent*) ;
1734         void timeaxis_item_drag_finished_callback(GnomeCanvasItem*, GdkEvent*) ;
1735
1736         gint canvas_imageframe_item_view_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1737         gint canvas_imageframe_view_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1738         gint canvas_imageframe_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1739         gint canvas_imageframe_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1740
1741         gint canvas_marker_time_axis_view_event(GnomeCanvasItem* item, GdkEvent* event, MarkerTimeAxis* mta);
1742         gint canvas_markerview_item_view_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1743         gint canvas_markerview_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1744         gint canvas_markerview_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1745
1746         void imageframe_start_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1747         void imageframe_end_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1748         void imageframe_start_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1749         void imageframe_start_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1750         void imageframe_end_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1751         void imageframe_end_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1752
1753         void markerview_item_start_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1754         void markerview_item_end_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1755         void markerview_start_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1756         void markerview_start_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1757         void markerview_end_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1758         void markerview_end_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1759
1760         void popup_imageframe_edit_menu(int button, int32_t time, GnomeCanvasItem* ifv, bool with_frame) ;
1761         void popup_marker_time_axis_edit_menu(int button, int32_t time, GnomeCanvasItem* ifv, bool with_frame) ;
1762
1763         ImageFrameSocketHandler* image_socket_listener ;
1764         /* </CMT Additions> */
1765
1766         void toggle_xfade_active (ARDOUR::Crossfade*);
1767         void toggle_xfade_length (ARDOUR::Crossfade*);
1768         void edit_xfade (ARDOUR::Crossfade*);
1769         void remove_xfade ();
1770         void xfade_edit_left_region ();
1771         void xfade_edit_right_region ();
1772
1773         static const int32_t default_width = 995;
1774         static const int32_t default_height = 765;
1775
1776         /* nudge */
1777
1778         Gtk::Button      nudge_forward_button;
1779         Gtk::Button      nudge_backward_button;
1780         Gtk::HBox        nudge_hbox;
1781         Gtk::VBox        nudge_vbox;
1782         Gtk::Label       nudge_label;
1783         AudioClock       nudge_clock;
1784
1785         jack_nframes_t get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next);
1786
1787         /* audio filters */
1788
1789         void apply_filter (ARDOUR::AudioFilter&, string cmd);
1790
1791         /* handling cleanup */
1792
1793         int playlist_deletion_dialog (ARDOUR::Playlist*);
1794
1795         vector<sigc::connection> session_connections;
1796
1797         /* tracking step changes of track height */
1798
1799         TimeAxisView* current_stepping_trackview;
1800         struct timeval last_track_height_step_timestamp;
1801         gint track_height_step_timeout();
1802         sigc::connection step_timeout;
1803
1804         TimeAxisView* entered_track;
1805         AudioRegionView* entered_regionview;
1806         bool clear_entered_track;
1807         gint left_track_canvas (GdkEventCrossing*);
1808         void set_entered_track (TimeAxisView*);
1809         void set_entered_regionview (AudioRegionView*);
1810         gint left_automation_track ();
1811
1812         bool _new_regionviews_show_envelope;
1813
1814         void toggle_gain_envelope_visibility ();
1815         void toggle_gain_envelope_active ();
1816
1817         typedef std::map<Editing::ColorID,std::string> ColorStyleMap;
1818         void init_colormap ();
1819
1820         /* GTK2 stuff */
1821
1822         Glib::RefPtr<Gtk::UIManager> ui_manager;
1823 };
1824
1825 #endif /* __ardour_editor_h__ */